Research Article

Microencapsulation of Ruellia tuberosa L. Aqueous Root Extracts Using Chitosan-Sodium Tripolyphosphate and Their In Vitro Biological Activities

Figure 6

Graphs of bioactive compounds released from microcapsules of R. tuberosa (L.) extract prepared in pH 4, 90 min stirring time, and 0.1% chitosan: (a) pH 2.2 and (b) pH 7.4.
(a)
(b)